193
FNUS51 KBOX 170808
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
407 AM EDT WED SEP 17 2025
DISCUSSION
SOME SHOWERS ARE POSSIBLE TODAY ALONG THE SOUTH COAST. CHANCES
FOR RAIN INCREASE NORTHWARD TONIGHT, BUT WIDESPREAD SOAKING RAINS
ARE NOT EXPECTED. THE GREATEST CHANCE FOR SOAKING RAINFALL
THROUGH THURSDAY MORNING WILL BE TOWARDS THE CAPE AND ISLANDS.
MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES BETWEEN 45 AND
75 PERCENT BOTH TODAY AND TOMORROW WITH THE HIGHEST VALUES ALONG
THE COASTS, ESPECIALLY THE CAPE AND ISLANDS.
OUTLOOK...FRIDAY THROUGH MONDAY
AN EXTENDED PERIOD OF DRY WEATHER CONTINUES INTO EARLY NEXT WEEK.
A COLD FRONT WILL CROSS OUR REGION FRIDAY, BRINGING COOLER AND
DRIER CONDITIONS FOR THIS WEEKEND BEFORE A WARMING TREND KICKS
OFF EARLY NEXT WEEK.
MAZ015-172000-
SUFFOLK MA-
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+1) 58 (+3) 77
RH % (24H TREND) 61 (+4) 100 (0) 65
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 2970 410 3270
TRANSPORT WND (KTS) E 8 E 3 SW 6
VENT RATE (KT-FT) 23760 1230 19620
MAX ADI EARLY 25 FAIR 15 GEN POOR 9 POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 24 FAIR
MAX LVORI EARLY 3 9 4
MAX LVORI LATE 3 9 4
MIN VSBY EARLY 3 FOG 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR, COOLER. LOWS IN THE LOWER 50S. NORTH WINDS
5 TO 10 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE MID 60S. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ016-172000-
EASTERN NORFOLK MA-
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (+1) 57 (+2) 76
RH % (24H TREND) 64 (+3) 100 (0) 66
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.08
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3130 360 2970
TRANSPORT WND (KTS) E 7 SE 3 SW 6
VENT RATE (KT-FT) 21910 1080 17820
MAX ADI EARLY 26 FAIR 13 GEN POOR 7 POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 23 FAIR
MAX LVORI EARLY 3 10 4
MAX LVORI LATE 3 10 4
MIN VSBY EARLY 1 FOG 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 60. HIGHS IN
THE MID 70S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ013-172000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,
NORWOOD, STOUGHTON, AND WELLESLEY
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+1) 56 (+4) 76
RH % (24H TREND) 57 (+4) 100 (0) 62
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.06
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3880 340 3530
TRANSPORT WND (KTS) E 5 E 3 SW 7
VENT RATE (KT-FT) 19400 1020 24710
MAX ADI EARLY 25 FAIR 12 POOR 8 POOR
MAX ADI LATE 30 FAIR 2 VERY POOR 35 FAIR
MAX LVORI EARLY 3 10 4
MAX LVORI LATE 3 10 4
MIN VSBY EARLY 0 FOG 7 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 57. HIGHS IN
THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MAZ014-172000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,
AND WOBURN
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (0) 58 (+4) 77
RH % (24H TREND) 59 (+4) 100 (0) 64
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.04
PRECIP DURATION 2 1
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 3240 360 3350
TRANSPORT WND (KTS) E 7 NW 3 SW 8
VENT RATE (KT-FT) 22680 1080 26800
MAX ADI EARLY 25 FAIR 16 GEN POOR 11 POOR
MAX ADI LATE 30 FAIR 2 VERY POOR 35 FAIR
MAX LVORI EARLY 3 10 3
MAX LVORI LATE 3 10 3
MIN VSBY EARLY 6 FOG 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR, COOLER. LOWS IN THE UPPER 40S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 51. HIGHS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ007-172000-
EASTERN ESSEX MA-
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,
PEABODY, SALEM, AND SAUGUS
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (0) 56 (+2) 76
RH % (24H TREND) 61 (+4) 100 (0) 62
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 2650 370 2870
TRANSPORT WND (KTS) E 7 NW 3 SW 7
VENT RATE (KT-FT) 18550 1110 20090
MAX ADI EARLY 19 GEN POOR 11 POOR 10 POOR
MAX ADI LATE 21 FAIR 3 VERY POOR 22 FAIR
MAX LVORI EARLY 4 10 4
MAX LVORI LATE 4 10 4
MIN VSBY EARLY 7 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTH WINDS 5 TO
10 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR, COOLER. LOWS AROUND 50. NORTH WINDS 10 TO
15 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE MID 60S. NORTH WINDS
10 TO 15 MPH, BECOMING EAST 5 TO 10 MPH IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO
10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. HIGHS
AROUND 70. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS 52 TO 57. HIGHS IN
THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ006-172000-
WESTERN ESSEX MA-
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,
METHUEN, AND TOPSFIELD
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-1) 55 (+4) 77
RH % (24H TREND) 51 (+2) 100 (0) 55
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 3 PM
MIXING HGT (FT-AGL) 3440 360 3800
TRANSPORT WND (KTS) SE 6 NW 3 SW 9
VENT RATE (KT-FT) 20640 1080 34200
MAX ADI EARLY 21 FAIR 12 POOR 12 POOR
MAX ADI LATE 27 FAIR 2 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 3 10 3
MAX LVORI LATE 3 10 3
MIN VSBY EARLY 7 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR, COOLER. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND
5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ005-172000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,
HOPKINTON, LOWELL, AND NATICK
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-1) 55 (+4) 78
RH % (24H TREND) 51 (+2) 100 (0) 57
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.04
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 2 PM
MIXING HGT (FT-AGL) 3800 350 3890
TRANSPORT WND (KTS) SE 5 NW 3 SW 9
VENT RATE (KT-FT) 19000 1050 35010
MAX ADI EARLY 22 FAIR 14 GEN POOR 11 POOR
MAX ADI LATE 27 FAIR 2 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 3 10 4
MAX LVORI LATE 3 10 4
MIN VSBY EARLY 5 FOG 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR, COOLER. LOWS IN THE MID 40S. NORTH WINDS
5 TO 10 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 55. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ012-172000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,
WESTBOROUGH, AND WORCESTER
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-1) 56 (+5) 77
RH % (24H TREND) 57 (+8) 100 (0) 62
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.05
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 2 PM
MIXING HGT (FT-AGL) 3800 300 3980
TRANSPORT WND (KTS) E 5 SE 4 W 7
VENT RATE (KT-FT) 19000 1200 27860
MAX ADI EARLY 22 FAIR 12 POOR 9 POOR
MAX ADI LATE 25 FAIR 2 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 3 10 4
MAX LVORI LATE 3 10 4
MIN VSBY EARLY 4 FOG 8 3 FOG
MIN VSBY LATE 9 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MAZ004-172000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,
GARDNER, AND HARVARD
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-1) 53 (+4) 78
RH % (24H TREND) 44 (0) 100 (0) 49
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.03
PRECIP DURATION 2 0
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 9 AM
MIXING HGT (FT-AGL) 3570 270 4190
TRANSPORT WND (KTS) SE 5 S 4 W 9
VENT RATE (KT-FT) 17850 1080 37710
MAX ADI EARLY 19 GEN POOR 7 POOR 12 POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 3 10 3
MAX LVORI LATE 3 10 3
MIN VSBY EARLY 7 8 2 FOG
MIN VSBY LATE 9 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MAZ026-172000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,
AND TOWNSEND
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (0) 54 (+5) 80
RH % (24H TREND) 53 (+2) 100 (0) 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.04
PRECIP DURATION 2 1
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 10 AM
MIXING HGT (FT-AGL) 3960 340 4660
TRANSPORT WND (KTS) SE 4 S 4 W 9
VENT RATE (KT-FT) 15840 1360 41940
MAX ADI EARLY 17 GEN POOR 12 POOR 18 GEN POOR
MAX ADI LATE 23 FAIR 2 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 3 10 3
MAX LVORI LATE 3 10 3
MIN VSBY EARLY 8 8 5 FOG
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST WINDS
AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS IN
THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 54. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ002-172000-
WESTERN FRANKLIN MA-
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,
AND SHELBURNE
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-2) 51 (+2) 79
RH % (24H TREND) 45 (-4) 100 (0) 48
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3450 120 5150
TRANSPORT WND (KTS) SE 4 W 4 W 11
VENT RATE (KT-FT) 13800 480 56650
MAX ADI EARLY 18 GEN POOR 7 POOR 21 FAIR
MAX ADI LATE 22 FAIR 2 VERY POOR 79 GOOD
MAX LVORI EARLY 2 8 2
MAX LVORI LATE 2 8 2
MIN VSBY EARLY 8 9 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE LOWER 40S. HIGHS
IN THE UPPER 60S. NORTH WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ003-172000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,
AND WHATELY
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 10 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-2) 55 (+5) 80
RH % (24H TREND) 43 (0) 100 (0) 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 3830 190 5080
TRANSPORT WND (KTS) SE 4 S 4 W 10
VENT RATE (KT-FT) 15320 760 50800
MAX ADI EARLY 16 GEN POOR 6 VERY POOR 15 GEN POOR
MAX ADI LATE 22 FAIR 3 VERY POOR 63 GOOD
MAX LVORI EARLY 2 10 3
MAX LVORI LATE 2 10 3
MIN VSBY EARLY 7 9 7
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ008-172000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,
WILLIAMSBURG, AND WORTHINGTON
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 20 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (-2) 52 (+3) 77
RH % (24H TREND) 52 (0) 100 (0) 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 3390 160 4880
TRANSPORT WND (KTS) SE 4 NW 4 W 10
VENT RATE (KT-FT) 13560 640 48800
MAX ADI EARLY 19 GEN POOR 7 POOR 17 GEN POOR
MAX ADI LATE 22 FAIR 3 VERY POOR 73 GOOD
MAX LVORI EARLY 2 9 3
MAX LVORI LATE 2 9 3
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE LOWER 40S. HIGHS
IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ010-172000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,
SOUTHAMPTON, AND WARE
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-2) 55 (+4) 80
RH % (24H TREND) 49 (+1) 100 (0) 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 3770 290 4680
TRANSPORT WND (KTS) SE 4 S 3 W 7
VENT RATE (KT-FT) 15080 870 32760
MAX ADI EARLY 19 GEN POOR 7 POOR 13 GEN POOR
MAX ADI LATE 22 FAIR 2 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 2 10 3
MAX LVORI LATE 2 10 3
MIN VSBY EARLY 8 9 7
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ009-172000-
WESTERN HAMPDEN MA-
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,
MONTGOMERY, RUSSELL, AND TOLLAND
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (-3) 54 (+5) 78
RH % (24H TREND) 55 (+2) 100 (0) 53
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 3320 110 4800
TRANSPORT WND (KTS) SE 5 SE 4 W 9
VENT RATE (KT-FT) 16600 440 43200
MAX ADI EARLY 17 GEN POOR 10 POOR 12 POOR
MAX ADI LATE 16 GEN POOR 3 VERY POOR 61 GOOD
MAX LVORI EARLY 3 10 3
MAX LVORI LATE 3 10 3
MIN VSBY EARLY 8 9 7
MIN VSBY LATE 8 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
CLEAR, COLDER. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ011-172000-
EASTERN HAMPDEN MA-
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,
SPRINGFIELD, AND WESTFIELD
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-2) 56 (+5) 80
RH % (24H TREND) 49 (+6) 100 (0) 50
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 0
PRECIP BEGIN 6 AM
PRECIP END 8 AM
MIXING HGT (FT-AGL) 3740 280 4330
TRANSPORT WND (KTS) E 5 SE 3 W 6
VENT RATE (KT-FT) 18700 840 25980
MAX ADI EARLY 16 GEN POOR 9 POOR 12 POOR
MAX ADI LATE 16 GEN POOR 2 VERY POOR 36 FAIR
MAX LVORI EARLY 3 10 3
MAX LVORI LATE 3 10 3
MIN VSBY EARLY 8 9 5 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
CTZ002-172000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,
SOUTHINGTON, AND WINDSOR LOCKS
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-2) 57 (+5) 80
RH % (24H TREND) 55 (+9) 100 (0) 53
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.02
PRECIP DURATION 1 0
PRECIP BEGIN 12 PM 6 AM
PRECIP END 6 PM 8 AM
MIXING HGT (FT-AGL) 3340 330 4480
TRANSPORT WND (KTS) E 6 NE 3 W 7
VENT RATE (KT-FT) 20040 990 31360
MAX ADI EARLY 15 GEN POOR 8 POOR 9 POOR
MAX ADI LATE 4 VERY POOR 2 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 4 10 3
MAX LVORI LATE 4 10 3
MIN VSBY EARLY 8 9 6 FOG
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE UPPER 40S. HIGHS
AROUND 70. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
CTZ003-172000-
TOLLAND CT-
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-2) 56 (+5) 77
RH % (24H TREND) 59 (+10) 100 (0) 61
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 12 PM
MIXING HGT (FT-AGL) 3580 230 3730
TRANSPORT WND (KTS) E 6 NE 3 W 6
VENT RATE (KT-FT) 21480 690 22380
MAX ADI EARLY 17 GEN POOR 7 POOR 8 POOR
MAX ADI LATE 19 GEN POOR 3 VERY POOR 32 FAIR
MAX LVORI EARLY 3 10 4
MAX LVORI LATE 3 10 4
MIN VSBY EARLY 8 9 4 FOG
MIN VSBY LATE 9 4 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTH WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
CTZ004-172000-
WINDHAM CT-
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,
AND WILLIMANTIC
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-1) 56 (+4) 77
RH % (24H TREND) 59 (+11) 100 (0) 63
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.04
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 3760 310 3780
TRANSPORT WND (KTS) E 6 NE 4 W 6
VENT RATE (KT-FT) 22560 1240 22680
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 7 POOR
MAX ADI LATE 20 GEN POOR 3 VERY POOR 33 FAIR
MAX LVORI EARLY 4 10 4
MAX LVORI LATE 4 10 4
MIN VSBY EARLY 6 FOG 8 3 FOG
MIN VSBY LATE 9 4 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
RIZ001-172000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,
AND SMITHFIELD
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-2) 57 (+5) 75
RH % (24H TREND) 64 (+11) 100 (0) 71
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.06
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 3930 290 3470
TRANSPORT WND (KTS) E 6 NE 4 W 6
VENT RATE (KT-FT) 23580 1160 20820
MAX ADI EARLY 21 FAIR 5 VERY POOR 7 POOR
MAX ADI LATE 19 GEN POOR 3 VERY POOR 29 FAIR
MAX LVORI EARLY 4 10 5
MAX LVORI LATE 4 10 5
MIN VSBY EARLY 3 FOG 8 4 FOG
MIN VSBY LATE 9 4 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 47 TO 58. HIGHS IN
THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ002-172000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,
AND PROVIDENCE
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-2) 58 (+4) 75
RH % (24H TREND) 66 (+13) 100 (0) 75
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 4190 360 3230
TRANSPORT WND (KTS) E 7 NE 4 SW 5
VENT RATE (KT-FT) 29330 1440 16150
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 8 POOR
MAX ADI LATE 20 GEN POOR 3 VERY POOR 22 FAIR
MAX LVORI EARLY 4 10 5
MAX LVORI LATE 4 10 5
MIN VSBY EARLY 6 FOG 8 4 FOG
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 49 TO 59. HIGHS IN
THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ003-172000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-1) 57 (+4) 75
RH % (24H TREND) 66 (+13) 100 (0) 72
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.06
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3430 280 2980
TRANSPORT WND (KTS) E 7 NE 4 W 4
VENT RATE (KT-FT) 24010 1120 11920
MAX ADI EARLY 21 FAIR 5 VERY POOR 3 VERY POOR
MAX ADI LATE 22 FAIR 4 VERY POOR 19 GEN POOR
MAX LVORI EARLY 4 10 6
MAX LVORI LATE 4 10 6
MIN VSBY EARLY 7 8 4 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 58. HIGHS IN
THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ004-172000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+1) 58 (+3) 76
RH % (24H TREND) 61 (+12) 100 (0) 68
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3500 380 3020
TRANSPORT WND (KTS) E 8 NE 4 SW 4
VENT RATE (KT-FT) 28000 1520 12080
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 1 VERY POOR
MAX ADI LATE 24 FAIR 4 VERY POOR 20 GEN POOR
MAX LVORI EARLY 4 9 6
MAX LVORI LATE 4 9 6
MIN VSBY EARLY 7 9 4 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 51 TO 60. HIGHS IN
THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ005-172000-
BRISTOL RI-
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (0) 60 (+4) 74
RH % (24H TREND) 64 (+11) 100 (0) 76
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) E 6 E 5 LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.14
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3670 370 2560
TRANSPORT WND (KTS) E 8 NE 5 SW 4
VENT RATE (KT-FT) 29360 1850 10240
MAX ADI EARLY 20 GEN POOR 7 POOR 1 VERY POOR
MAX ADI LATE 23 FAIR 4 VERY POOR 15 GEN POOR
MAX LVORI EARLY 4 9 6
MAX LVORI LATE 4 9 6
MIN VSBY EARLY 7 8 4 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 61. HIGHS IN
THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ006-172000-
WASHINGTON RI-
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,
AND WESTERLY
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-1) 57 (+3) 75
RH % (24H TREND) 64 (+13) 100 (0) 73
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) E 7 E 5 LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3200 370 2830
TRANSPORT WND (KTS) E 10 NE 6 W 5
VENT RATE (KT-FT) 32000 2220 14150
MAX ADI EARLY 21 FAIR 6 VERY POOR 5 VERY POOR
MAX ADI LATE 1 VERY POOR 5 VERY POOR 16 GEN POOR
MAX LVORI EARLY 5 9 6
MAX LVORI LATE 5 9 6
MIN VSBY EARLY 8 8 4 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. NORTH WINDS 10 TO
15 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ007-172000-
NEWPORT RI-
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 30 40 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 73 (0) 60 (+3) 75
RH % (24H TREND) 64 (+15) 100 (0) 70
20FT WND AM(MPH) NE 7 NE 5
20FT WND PM(MPH) E 8 E 6 LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.12
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3000 360 2040
TRANSPORT WND (KTS) E 10 NE 6 SW 6
VENT RATE (KT-FT) 30000 2160 12240
MAX ADI EARLY 22 FAIR 8 POOR 1 VERY POOR
MAX ADI LATE 22 FAIR 6 VERY POOR 14 GEN POOR
MAX LVORI EARLY 5 9 6
MAX LVORI LATE 5 9 6
MIN VSBY EARLY 8 8 4 FOG
MIN VSBY LATE 9 4 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 54 TO 62. HIGHS IN
THE UPPER 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ008-172000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 40 50 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 69 (0) 62 (+1) 71
RH % (24H TREND) 76 (+11) 100 (+7) 79
20FT WND AM(MPH) E 11 G17 NE 7
20FT WND PM(MPH) E 11 G17 E 10 E 6
PRECIP AMOUNT 0.01 0.03 0.08
PRECIP DURATION 1 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 4 PM
MIXING HGT (FT-AGL) 1720 880 1250
TRANSPORT WND (KTS) E 16 E 10 NE 9
VENT RATE (KT-FT) 27520 8800 11250
MAX ADI EARLY 1 VERY POOR 14 GEN POOR 10 POOR
MAX ADI LATE 1 VERY POOR 12 POOR 12 POOR
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 7 8 8
MIN VSBY EARLY 9 6 FOG 4 FOG
MIN VSBY LATE 8 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS AROUND 70. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ017-172000-
NORTHERN BRISTOL MA-
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,
REHOBOTH, AND TAUNTON
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+1) 57 (+5) 75
RH % (24H TREND) 59 (+8) 100 (0) 66
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.07
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 4120 380 2970
TRANSPORT WND (KTS) E 6 NE 3 SW 5
VENT RATE (KT-FT) 24720 1140 14850
MAX ADI EARLY 27 FAIR 5 VERY POOR 6 VERY POOR
MAX ADI LATE 34 FAIR 2 VERY POOR 23 FAIR
MAX LVORI EARLY 4 10 5
MAX LVORI LATE 4 10 5
MIN VSBY EARLY 3 FOG 8 6 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 57. HIGHS IN
THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SUNDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ018-172000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,
MIDDLEBORO, AND PEMBROKE
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+2) 57 (+4) 75
RH % (24H TREND) 64 (+9) 100 (0) 70
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.08
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3620 380 2780
TRANSPORT WND (KTS) E 6 E 4 SW 5
VENT RATE (KT-FT) 21720 1520 13900
MAX ADI EARLY 28 FAIR 5 VERY POOR 7 POOR
MAX ADI LATE 30 FAIR 3 VERY POOR 21 FAIR
MAX LVORI EARLY 4 10 5
MAX LVORI LATE 4 10 5
MIN VSBY EARLY 3 FOG 8 5 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 57. HIGHS IN
THE UPPER 70S. NORTH WINDS AROUND 5 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS AROUND 70. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ019-172000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,
AND SCITUATE
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 71 (+1) 57 (+2) 73
RH % (24H TREND) 63 (+6) 100 (0) 67
20FT WND AM(MPH) E 5 LGT/VAR
20FT WND PM(MPH) E 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.10
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 5 PM
MIXING HGT (FT-AGL) 2620 360 2200
TRANSPORT WND (KTS) E 8 E 4 S 6
VENT RATE (KT-FT) 20960 1440 13200
MAX ADI EARLY 25 FAIR 13 GEN POOR 4 VERY POOR
MAX ADI LATE 23 FAIR 3 VERY POOR 15 GEN POOR
MAX LVORI EARLY 4 10 6
MAX LVORI LATE 4 10 6
MIN VSBY EARLY 7 8 6 FOG
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS IN
THE MID 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE MID 60S. NORTHEAST WINDS
10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ020-172000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,
SWANSEA, AND WESTPORT
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 74 (+1) 58 (+3) 76
RH % (24H TREND) 61 (+12) 100 (0) 68
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) E 7 E 5 LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.09
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT (FT-AGL) 3690 340 2930
TRANSPORT WND (KTS) E 8 E 5 SW 5
VENT RATE (KT-FT) 29520 1700 14650
MAX ADI EARLY 23 FAIR 5 VERY POOR 3 VERY POOR
MAX ADI LATE 21 FAIR 4 VERY POOR 16 GEN POOR
MAX LVORI EARLY 4 10 6
MAX LVORI LATE 4 10 6
MIN VSBY EARLY 8 8 4 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 60. HIGHS IN
THE UPPER 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS
IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MAZ021-172000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,
AND WAREHAM
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+2) 59 (+4) 75
RH % (24H TREND) 66 (+11) 100 (0) 76
20FT WND AM(MPH) E 5 LGT/VAR
20FT WND PM(MPH) E 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.09
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 5 PM
MIXING HGT (FT-AGL) 3550 390 2740
TRANSPORT WND (KTS) E 8 E 4 W 6
VENT RATE (KT-FT) 28400 1560 16440
MAX ADI EARLY 27 FAIR 5 VERY POOR 5 VERY POOR
MAX ADI LATE 23 FAIR 3 VERY POOR 19 GEN POOR
MAX LVORI EARLY 4 10 6
MAX LVORI LATE 4 10 6
MIN VSBY EARLY 8 8 4 FOG
MIN VSBY LATE 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS IN
THE UPPER 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY, COOLER. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 10 TO 15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS
IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MAZ022-172000-
BARNSTABLE MA-
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,
PROVINCETOWN, AND WELLFLEET
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 72 (+2) 59 (+3) 73
RH % (24H TREND) 66 (+11) 100 (0) 70
20FT WND AM(MPH) E 6 LGT/VAR
20FT WND PM(MPH) E 7 E 5 NE 5
PRECIP AMOUNT 0.00 0.02 0.12
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 2530 370 2020
TRANSPORT WND (KTS) E 9 E 5 W 6
VENT RATE (KT-FT) 22770 1850 12120
MAX ADI EARLY 24 FAIR 6 VERY POOR 1 VERY POOR
MAX ADI LATE 20 GEN POOR 5 VERY POOR 12 POOR
MAX LVORI EARLY 4 9 6
MAX LVORI LATE 4 9 6
MIN VSBY EARLY 9 8 5 FOG
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS IN
THE MID 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MAZ023-172000-
DUKES MA-
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 30 50 40
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 72 (+2) 58 (0) 73
RH % (24H TREND) 71 (+10) 100 (+4) 76
20FT WND AM(MPH) E 9 NE 5
20FT WND PM(MPH) E 9 E 7 NE 5
PRECIP AMOUNT 0.00 0.02 0.11
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 5 PM
MIXING HGT (FT-AGL) 1740 540 1600
TRANSPORT WND (KTS) E 12 E 8 E 6
VENT RATE (KT-FT) 20880 4320 9600
MAX ADI EARLY 25 FAIR 11 POOR 1 VERY POOR
MAX ADI LATE 21 FAIR 8 POOR 12 POOR
MAX LVORI EARLY 5 8 6
MAX LVORI LATE 5 8 6
MIN VSBY EARLY 9 8 5 FOG
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 56 TO 62. HIGHS IN
THE MID 70S. NORTH WINDS 10 TO 15 MPH.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
MAZ024-172000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
407 AM EDT WED SEP 17 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 30 50 50
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 71 (+3) 59 (0) 72
RH % (24H TREND) 73 (+8) 100 (+4) 78
20FT WND AM(MPH) E 9 E 5
20FT WND PM(MPH) E 9 E 7 NE 5
PRECIP AMOUNT 0.00 0.03 0.15
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 1380 410 870
TRANSPORT WND (KTS) E 13 SE 8 E 7
VENT RATE (KT-FT) 17940 3280 6090
MAX ADI EARLY 23 FAIR 12 POOR 1 VERY POOR
MAX ADI LATE 23 FAIR 9 POOR 8 POOR
MAX LVORI EARLY 6 9 6
MAX LVORI LATE 6 9 6
MIN VSBY EARLY 8 8 7
MIN VSBY LATE 9 6 FOG 7
SUNSHINE HOURS N/A N/A N/A
CWR 10 20 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS IN
THE LOWER 70S. NORTH WINDS 15 TO 20 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH TUESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS AROUND 70. SOUTHWEST WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION BELOW NORMAL.
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